# Playground_python
import math
def quadratic(a,b,c):	
	if (b * b - 4 * a * c)	 < 0:
		return 'unslovable'
	elif b * b - 4 * a * c	 == 0:
		return ((-b + math.sqrt((b * b - 4 * a * c)	))/2 * a)
	elif b * b - 4 * a * c	 > 0:
		return ((-b + math.sqrt((b * b - 4 * a * c)	))/2 * a)
		return ((-b - math.sqrt((b * b - 4 * a * c)	))/2 * a)
	else:
		return('what?')
